1 Okwu mmalite
Ebe ọbịbịa e ji esiji eme ihe, sodium alginate (SA) abụrụla ebe a na-ebi akwụkwọ agba agba na akwa owu.
Iji ụdị atọ nkecellulose ethersCMC, HEC na HECMC akwadoro n'Isi nke 3 dị ka tapawa mbụ, etinyere ha na mbipụta agba agba n'otu n'otu.
ifuru. A nwalere ihe ndị bụ isi na ihe obibi akwụkwọ nke pastes atọ ahụ ma jiri ya tụnyere SA, ma nwalee eriri atọ ahụ.
Ngwongwo obibi nke vitamin ethers.
2 Akụkụ nnwale
Nnwale ihe na ọgwụ
Akụrụngwa na ọgwụ eji eme ihe n'ule. N'ime ha, akwa na-ebi akwụkwọ na-emeghachi omume na-emezigharị ma na-emezigharị, wdg.
Usoro nke akwa akwa akwa dị ọcha edozichara nke ọma, njupụta 60/10cm × 50/10cm, akwa akwa 21tex × 21tex.
Nkwadebe nke mpempe akwụkwọ na-ebipụta na agba agba
Nkwadebe nke mpempe akwụkwọ obibi
N'ihi na anọ mbụ pastes nke SA, CMC, HEC na HECMC, dị ka ruru nke dị iche iche siri ike ọdịnaya, n'okpuru edemede ọnọdụ.
Mgbe ahụ, jiri nwayọọ nwayọọ tinye ihe nkedo ahụ n'ime mmiri, nọgide na-akpali akpali ruo oge ụfọdụ, ruo mgbe mpempe akwụkwọ mbụ ahụ na-adaba adaba na nke doro anya, kwụsị ịkpali, tinye ya na stovu.
Na otu iko, ka guzo n'abali.
Nkwadebe nke mpempe akwụkwọ obibi
Buru ụzọ gbarie urea na nnu na-egbochi ịcha mmiri S na obere mmiri, wee gbakwunye ihe na-eme ka agbaze agbaze na mmiri, kpoo ma kpalite n'ime mmiri ọkụ.
Mgbe ị na-emegharị ruo oge ụfọdụ, gbakwunye mmanya na-esiji agba agba na mado mbụ wee kpalie nke ọma. Tinye mgbaze ruo mgbe ịmalite ibipụta
Ezigbo sodium bicarbonate. Usoro nke tapawa agba bụ: agba agba 3%, tapawa mbụ 80% (ọdịnaya siri ike 3%), sodium bicarbonate 3%,
Nnu na-egbochi mmetọ nnu S bụ 2%, urea bụ 5%, na n'ikpeazụ a na-agbakwunye mmiri na 100%.
usoro obibi akwụkwọ
Usoro eji ebi akwụkwọ na-arụ ọrụ akwa akwa akwa: nkwadebe nke mpempe akwụkwọ → magnetik mmanya obibi (na ụlọ okpomọkụ na nrụgide, na-ebipụta 3 ugboro) → ihicha (105 ℃, 10min) → steaming (105 ± 2 ℃, 10min) → ịsacha mmiri oyi → ọkụ ọkụ Na-asa mmiri (80 ℃) → ncha esi (ncha ncha 3g / L,
100℃, 10min) → ịsacha mmiri ọkụ (80℃) → ịsacha mmiri oyi → ihicha (60 ℃).
Nnwale arụmọrụ bụ isi nke mado izizi
Mado ọnụego ule
A kwadebere pastes mbụ anọ nke SA, CMC, HEC na HECMC nwere ọdịnaya siri ike dị iche iche, yana Brookfield DV-Ⅱ
A na-anwale viscosity nke mado ọ bụla nwere ọdịnaya siri ike dị iche iche site na viscometer, na mgbanwe mgbanwe nke viscosity na ntinye uche bụ ọnụego nhazi nke mado.
uzo.
Rheology na Printing Viscosity Index
Rheology: MCR301 rotational rheometer ka ejiri tụọ viscosity (η) nke mado mbụ n'ọnụọgụ shear dị iche iche.
Mgbanwe mgbanwe nke ọnụ ọgụgụ shear bụ usoro rheological.
Ndekọ viscosity ibipụta: A na-egosipụta akara viscosity obibi akwụkwọ site na PVI, PVI = η60/η6, ebe η60 na η6 dị n'otu n'otu.
Viscosity nke tapawa izizi nke Brookfield DV-II viscometer tụrụ n'otu ọsọ rotor nke 60r/min na 6r/min.
ule njigide mmiri
Were 25g nke tapawa mbụ n'ime mkpọ 80mL, ma jiri nwayọọ nwayọọ tinye 25mL nke mmiri a na-ekpo ọkụ ka ị na-akpalite iji mee ngwakọta.
A na-agwakọta ya nke ọma. Were akwụkwọ nzacha ọnụọgụ nke nwere ogologo × 10cm × 1cm ogologo, were ahịrị akpịrịkpa kanye otu njedebe nke akwụkwọ nzacha ahụ, wee tinye njedebe akara n'ime mado ahụ, nke mere na ahịrị ahụ dabara n'elu mado, na A na-amalite oge mgbe etinyere akwụkwọ nzacha, ma dekọọ ya na akwụkwọ nzacha mgbe nkeji iri atọ gachara.
Ogo nke mmiri na-ebili.
4 Nnwale ndakọrịta kemịkalụ
Maka mbipụta agba agba agba agba, nwalee ndakọrịta nke tapawa mbụ na agba ndị ọzọ agbakwunyere na tapawa mbipụta,
Ya bụ, ndakọrịta n'etiti tapawa mbụ na ihe atọ ahụ (urea, sodium bicarbonate na nnu na-egbochi nsị S), usoro nnwale a kapịrị ọnụ bụ ndị a:
(1) Maka ule nke viscosity ntụaka nke tapawa mbụ, tinye 25mL nke mmiri distilled na 50g nke mpempe akwụkwọ mbụ, kpalie nke ọma, wee tụọ viscosity.
A na-eji uru viscosity enwetara dị ka viscosity ntụaka.
(2) Iji nwalee viscosity nke tapawa mbụ mgbe ị gbakwunyere ihe dị iche iche (urea, sodium bicarbonate na nnu na-egbochi nsị), tinye 15% a kwadebere.
Urea ngwọta (irighiri uka), 3% mgbochi ntanye nnu S ngwọta (irighiri uka) na 6% sodium bicarbonate solution (iriri uka)
A na-agbakwunye 25mL na 50g nke tapawa mbụ n'otu n'otu, kpalie ya nke ọma ma tinye ya ruo oge ụfọdụ, wee tụọ viscosity nke mado mbụ ahụ. N'ikpeazụ, a ga-atụle viscosity
A na-atụnyere ụkpụrụ viscosity na viscosity kwekọrọ, na pasent nke mgbanwe viscosity nke paste mbụ tupu na mgbe agbakwunyere agba ọ bụla na ihe kemịkal gbakọọ.
Nnwale nkwụsi ike nchekwa
Chekwaa mado mbụ n'ime ụlọ okpomọkụ (25ºC) n'okpuru nrụgide nkịtị ruo ụbọchị isii, tụọ viscosity nke mado mbụ kwa ụbọchị n'okpuru otu ọnọdụ ahụ, gbakọọ viscosity nke mado mbụ mgbe ụbọchị 6 gachara ma e jiri ya tụnyere viscosity tụrụ na ya. ụbọchị mbụ site na usoro 4- (1). A na-enyocha ogo mgbasa ozi nke mado mbụ ọ bụla site na ogo mgbasa ozi dị ka ndeksi
Nkwụsi ike nke nchekwa, nke nta nke mgbasa ozi, ka mma nkwụsi ike nchekwa nke mado mbụ.
Nnwale ọnụego mbanye
Mbụ kpochaa akwa akwa a ga-ebipụta ka ọ dị arọ mgbe niile, tụọ ma dekọọ ya ka mA; wee kpochaa akwa akwa ahụ mgbe ị na-ebipụta ya na ịdị arọ mgbe niile, tụọ ma dekọọ ya
bụ mB; N'ikpeazụ, akwa owu e biri ebi mgbe steaming, ncha na ịsa ahụ na-akpọnwụ ka ọ dị arọ mgbe niile, tụọ ma dekọọ dị ka mC.
Nnwale aka
Nke mbụ, a na-enyocha akwa akwa tupu na mgbe e bipụtachara dị ka achọrọ, na mgbe ahụ, a na-eji ngwá ọrụ phabrometer emepụta ihe iji tụọ aka nke akwa ahụ.
A na-enyocha mmetụta aka nke ákwà tupu na mgbe e bipụtachara ya nke ọma site n'iji njirimara mmetụta aka atọ nke ịdị nro, isi ike na ịdị nro.
Nnwale ngwa ngwa agba nke akwa ebipụtara
(1) Ịdị ngwa ngwa na agba na ule nyocha
Nnwale dị ka GB/T 3920-2008 si dị "Agba ngwa ngwa na-ehichapụ maka ule ngwa ngwa agba nke textiles".
(2) Nnwale ngwa ngwa agba na ịsacha
Nwalee dị ka GB/T 3921.3-2008 si kwuo "Ike ngwa ngwa na ncha nke textiles color fastness test".
Tapawa ọdịnaya izizi/%
CMC
HEC
HEMCC
SA
Mgbanwe mgbanwe nke viscosity nke ụdị anọ nke tapawa mbụ nwere ọdịnaya siri ike
bụ sodium alginate (SA), carboxymethyl cellulose (CMC), hydroxyethyl cellulose (HEC) na
Viscosity curves nke ụdị anọ nke pastes mbụ nke hydroxyethyl carboxymethyl cellulose (HECMC) dị ka ọrụ nke ọdịnaya siri ike.
, viscosity nke pastes mbụ anọ na-abawanye site na mmụba nke ọdịnaya siri ike, ma ihe ndị na-emepụta ihe na-emepụta ihe nke anọ mbụ ahụ abụghị otu, n'etiti nke SA.
Ngwongwo ntanye nke CMC na HECMC kacha mma, na ihe nkedo nke HEC kacha njọ.
A tụlere akụkụ arụmọrụ nke reological nke tapawa mbụ anọ site na Rheometer MCR301 rotational.
- Viscosity curve dị ka ọrụ nke shiee ọnụego. Viscosities nke pastes mbụ anọ ahụ na-abawanye site na ọnụ ọgụgụ shear.
mmụba na mbelata, SA, CMC, HEC na HECMC bụ mmiri mmiri pseudoplastic. Tebụl 4.3 PVI ụkpụrụ dị iche iche raw pastes
Ụdị mado raw SA CMC HEC HECMC
PVI uru 0,813 0,526 0,621 0,726
Enwere ike ịhụ site na tebụl 4.3 na nbipụta viscosity index nke SA na HECMC buru ibu na viscosity nhazi dị ntakịrị, ya bụ, ibipụta mado mbụ.
N'okpuru omume nke ike shear dị ala, mgbanwe mgbanwe viscosity dị ntakịrị, ọ na-esikwa ike izute ihe ndị a chọrọ nke ihuenyo rotary na mbipụta ihuenyo dị larịị; mgbe HEC na CMC
Ndekọ viscosity obibi akwụkwọ nke CMC bụ naanị 0.526, na viscosity nhazi ya dịtụ ukwuu, ya bụ, tapawa mbipụta mbụ nwere obere ike shiee.
N'okpuru omume ahụ, ọnụego mgbanwe viscosity dị oke oke, nke nwere ike imezu ihe achọrọ nke ihuenyo rotary na mbipụta ihuenyo dị larịị, ma nwee ike dabara adaba maka mbipụta ihuenyo rotary na ọnụ ọgụgụ ntupu dị elu.
Ọ dị mfe ịnweta ụkpụrụ na ahịrị doro anya. Viscosity/mPa·s
Rheological usoro nke anọ 1% siri ike tapawa raw
Ụdị mado raw SA CMC HEC HECMC
h/cm 0.33 0.36 0.41 0.39
Nsonaazụ nnwale mmiri na-ejide 1% SA, 1%CMC, 1%HEC na 1%HECMC mbụ mado.
Achọpụtara na ikike ijide mmiri nke SA kacha mma, CMC sochiri ya, yana nke HECMC na HEC ka njọ.
Ntụle ndakọrịta kemịkalụ
Mgbanwe nke viscosity mbụ nke SA, CMC, HEC na HECMC
Ụdị mado raw SA CMC HEC HECMC
Viscosity/mPa·s
Viscosity mgbe ịgbakwunye urea/mPa s
Viscosity mgbe agbakwunyere nnu na-egbochi nsị S/mPa s
Viscosity mgbe ịgbakwunye sodium bicarbonate/mPa s
Viscosities anọ bụ isi nke SA, CMC, HEC na HECMC dị iche na mgbakwunye atọ bụ isi: urea, nnu na-egbochi nsị.
A na-egosipụta mgbanwe na mgbakwunye sodium bicarbonate na tebụl. , mgbakwunye nke atọ isi mgbakwunye, na mbụ mado
Ọnụego mgbanwe na viscosity dịgasị iche iche. N'ime ha, mgbakwunye nke urea nwere ike ịbawanye viscosity nke mado mbụ site na 5%, nke nwere ike ịbụ.
Ọ na-akpata ya site na hygroscopic na nfụkasị mmetụta nke urea; na mgbochi-staining nnu S ga-adịtụ mụbaa viscosity nke mbụ mado, ma ọ nwere obere mmetụta;
Mgbakwunye nke sodium bicarbonate budata belata viscosity nke mado mbụ, n'ime nke CMC na HEC belatara nke ukwuu, yana viscosity nke HECMC/mPa·s.
66
Nke abuo, ndakọrịta nke SA ka mma.
SA CMC HEC HECMC
-15
-10
-5
05
Uria
Nnụnụ na-egbochi nsị S
sodium bicarbonate
Ndakọrịta nke SA, CMC, HEC na HECMC ngwaahịa tapawa nwere kemịkalụ atọ
Ntụle nke nkwụsi ike nchekwa
Mgbasa nke viscosity kwa ụbọchị nke raw pastes dị iche iche
Ụdị mado raw SA CMC HEC HECMC
Mgbasa /% 8.68 8.15 8. 98 8.83
bụ dispersion ogo SA, CMC, HEC na HECMC n'okpuru kwa ụbọchị viscosity nke anọ mbụ pastes, dispersion
Obere uru nke ogo, ka mma nkwụsi ike nke nchekwa nke mado mbụ kwekọrọ. Enwere ike ịhụ site na tebụl na nkwụsi ike nchekwa nke CMC raw paste dị mma
Nkwụsi ike nchekwa nke HEC na HECMC raw paste adịghị mma, ma ọdịiche ahụ adịghị mkpa.
Oge nzipu: Sep-29-2022